NaY(MoO4)2:Er3+纳米晶体荧光粉的发光与光学温度传感特性

孙英斐; 吕树臣; 孟庆裕; 曲秀荣

doi:10.3788/fgxb20173812.1582

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NaY(MoO₄)₂:Er³⁺纳米晶体荧光粉的发光与光学温度传感特性

材料合成及性能 | 更新时间：2020-08-12

- NaY(MoO₄)₂:Er³⁺纳米晶体荧光粉的发光与光学温度传感特性
- Luminescence and Optical Temperature Sensing Properties of NaY(MoO₄)₂:Er³⁺ Nanocrystalline Phosphor
- 发光学报 2017年38卷第12期页码：1582-1590
- 作者机构：
  
  哈尔滨师范大学光电带隙材料省部共建教育部重点实验室,黑龙江哈尔滨,150025
- 作者简介：
- 基金信息：
  
  哈尔滨创新科技人才研究专项基金（2014RFXXJ091）();光电带隙材料省部共建教育部重点实验室开放项目计划（PEBM201614）资助项目()
- DOI：10.3788/fgxb20173812.1582
  中图分类号： O482.31
- 纸质出版日期：2017-12-5，
  
  网络出版日期：2017-8-16，
  
  收稿日期：2017-6-1，
  
  修回日期：2017-7-25，
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孙英斐, 吕树臣, 孟庆裕等. NaY(MoO4)2:Er3+纳米晶体荧光粉的发光与光学温度传感特性[J]. 发光学报, 2017,38(12): 1582-1590

SUN Ying-fei, LYU Shu-chen, MENG Qing-yu etc. Luminescence and Optical Temperature Sensing Properties of NaY(MoO4)2:Er3+ Nanocrystalline Phosphor[J]. Chinese Journal of Luminescence, 2017,38(12): 1582-1590
孙英斐, 吕树臣, 孟庆裕等. NaY(MoO4)2:Er3+纳米晶体荧光粉的发光与光学温度传感特性[J]. 发光学报, 2017,38(12): 1582-1590 DOI： 10.3788/fgxb20173812.1582.

SUN Ying-fei, LYU Shu-chen, MENG Qing-yu etc. Luminescence and Optical Temperature Sensing Properties of NaY(MoO4)2:Er3+ Nanocrystalline Phosphor[J]. Chinese Journal of Luminescence, 2017,38(12): 1582-1590 DOI： 10.3788/fgxb20173812.1582.

摘要

采用熔盐法制备了不同煅烧温度的NaY（MoO

）

：Er

荧光粉材料，样品的晶体结构与微观形貌由X射线衍射仪和场发射扫描电镜测得。Er

掺杂的NaY（MoO

）

纳米晶体的斯托克斯荧光发射光谱是在不同煅烧温度下测得的。NaY（MoO

）

：Er

荧光粉材料的两个能级

11/2

15/2

和

3/2

15/2

跃迁的发射强度比随煅烧温度的增加而减小。NaY（MoO

）

：Er

荧光粉材料的温度传感特性依赖于Er

的两个热耦合能级

11/2

15/2

和

3/2

15/2

的发射强度。研究表明，在一个相对大的传感温度范围（303~573 K），600℃煅烧的样品的温度传感灵敏度比900℃煅烧的样品高，样品的温度传感灵敏度随煅烧温度的增加而减小，600℃煅烧的样品的温度传感灵敏度为1.3610

-2

-1

，比900℃煅烧的样品高76.6%。最后，解释了基于不同煅烧温度的温度传感灵敏度的物理机制。

Abstract

The NaY(MoO

)

:Er

phosphors derived at different calcination temperatures were prepared by molten salt method and the crystal structure and microscopic morphology were characterized by means of X-ray diffraction(XRD) and field emission scanning electron microscopy (FE-SEM). The Stokes fluorescence emission spectra of nanocrystals derived at different calcination temperatures have been measured. It can be found that the emission intensity ratio of

11/2

15/2

3/2

15/2

transitions from NaY(MoO

)

:Er

increases with the decrease of the calcination temperature. Furthermore

the temperature sensing properties of NaY(MoO

)

:Er

phosphors were studied based on the emission intensities from two thermally coupled

11/2

and

3/2

levels of Er

. The results show that the temperature sensing sensitivity of the sample calcinated at 600℃ is somewhat higher than that of the sample calcinated at 900℃in a relatively wide range of sensing temperature (303-573 K). The sensing sensitivity increases with the decreasing of the calcination temperature

and a relative high sensitivity of 1.3610

-2

-1

is obtained for the sample calcinated at 600℃

which is about 76.6% higher than that of the sample obtained at 900℃. Finally

the physical mechanism for the calcination temperature-dependence of temperature sensing sensitivity was explained and predicted.

关键词

熔盐法NaY(MoO4)2:Er3+荧光粉温度传感

Keywords

molten salt methodNaY(MoO4)2:Er3+ phosphorstemperature sensing

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